Article
Heritability and Environmental Factors Affecting Vitamin D Status in Rural Chinese Adolescent Twins
23 Jun 2009
Abstract excerpt
CONTEXT: Factors associated with the high prevalence of vitamin D deficiency in China are not well described, especially among Chinese adolescents. OBJECTIVES: The aim of the study was to examine important environmental or sociodemographic factors influencing 25-hydroxyvitamin D [25(OH)D] levels and estimate its heritability. DESIGN: A sample of 226 male and female adolescent twins aged 13-20 yr from a large...
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